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|Noun||1.||biometric authentication - the automatic identification of living individuals by using their physiological and behavioral characteristics; "negative identification can only be accomplished through biometric identification"; "if a pin or password is lost or forgotten it can be changed and reissued but a biometric identification cannot"|
act of terrorism, terrorism, terrorist act - the calculated use of violence (or the threat of violence) against civilians in order to attain goals that are political or religious or ideological in nature; this is done through intimidation or coercion or instilling fear
DNA fingerprint, genetic fingerprint - biometric identification obtained by examining a person's unique sequence of DNA base pairs; often used for evidence in criminal law cases
automatic face recognition, face recognition, facial recognition - biometric identification by scanning a person's face and matching it against a library of known faces; "they used face recognition to spot known terrorists"
fingerprint - a print made by an impression of the ridges in the skin of a finger; often used for biometric identification in criminal investigations
finger scan, finger scanning - biometric identification by automatically scanning a person's fingerprints electronically
iris scanning - biometric identification by scanning the iris of the eye; "the structure of the iris is very distinctive"
signature recognition - biometric identification by automatically scanning a person's signature and matching it electronically against a library of known signatures
retinal scanning - biometric identification by scanning the retina of the eye; "identification by retinal scanning is complicated by eye movements"
voiceprint - biometric identification by electronically recording and graphically representing a person's voice; "voiceprints are uniquely characteristic of individual speakers"
identification - evidence of identity; something that identifies a person or thing